Description

4-Phenylazophenyl Isothiocyanate is a specialized organic reagent featuring a reactive isothiocyanate group linked to an azobenzene chromophore. This unique structure makes it a valuable building block for the synthesis of affinity labels, fluorescent probes, and photo-switchable molecules in advanced research and development. It is primarily sought by researchers and process chemists in the pharmaceutical, biotechnology, and materials science sectors for applications in chemical biology, sensor development, and polymer modification.

Application

• Key intermediate in the synthesis of photo-affinity labeling reagents for proteomics and target identification studies.
• Building block for creating chromogenic and fluorescent probes used in bio-imaging and diagnostic assay development.
• Precursor for functionalized polymers and smart materials with light-responsive properties.
• Reagent for modifying surfaces and nanoparticles to introduce specific binding sites or optical tags.
• Used in academic and industrial research for studying protein-ligand interactions and enzyme mechanisms.
• Starting material for the development of novel dyes and pigments with specialized applications.

Basic Information

Product Name	4-Phenylazophenyl Isothiocyanate
CAS No.	7612-96-6
Molecular Formula	C13H9N3S
Molecular Weight	239.30 g/mol
Synonyms	p-Phenylazophenyl isothiocyanate; 4-(Phenylazo)phenyl isothiocyanate; 1-Isothiocyanato-4-(phenylazo)benzene; 4-Azophenyl isothiocyanate; (4-Phenylazophenyl)isothiocyanate; PAPI; Azobenzene-4-isothiocyanate
EINECS	Contact for details

Quality Control

Our 4-Phenylazophenyl Isothiocyanate is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to moisture or light should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.